| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| ilvA | ilvC | azo0500 | azo3156 | Probable threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | 0.769 |
| ilvA | ilvD | azo0500 | azo0632 | Probable threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | Dihydroxy-acid dehydratase catalyzes the fourth step in the biosynthesis of isoleucine and valine, the dehydratation of 2,3-dihydroxy-isovaleic acid into alpha-ketoisovaleric acid. Similar to sprot|ILVD_PSEAE (74%) and sprot|ILVD_ECOL6 (72%). TIGRfam (TIGR00110): Dihydroxy-acid dehydratase Pfam (PF00920): Dihydroxy-acid and 6-phosphogluconate dehydratase; High confidence in function and specificity; Belongs to the IlvD/Edd family. | 0.912 |
| ilvA | ilvH | azo0500 | azo3155 | Probable threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | Acetolactate synthase small subunit (AHAS) (Acetohydroxy-acid synthase small subunit) (ALS). InterPro: Acetolactate synthase small subunit TIGRFAM: acolac_sm: acetolactate synthase small subunit; High confidence in function and specificity. | 0.987 |
| ilvA | ilvI | azo0500 | azo3154 | Probable threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | Acetolactate synthase isozyme III large subunit (AHAS- III) (Acetohydroxy-acid synthase III large subunit) (ALS-III). InterPro: Acetolactate synthase large subunit biosynthetic type TIGRFAM: acolac_lg: acetolactate synthase large subunit, biosynthetic type; High confidence in function and specificity. | 0.962 |
| ilvA | ilvN | azo0500 | azo1035 | Probable threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | Acetolactate synthase isozyme I small subunit (EC 2.2.1.6) (AHAS-I) (Acetohydroxy-acid synthase I small subunit) (ALS-I). InterPro: Acetolactate synthase small subunit acolac_sm: acetolactate synthase small subunit; High confidence in function and specificity. | 0.968 |
| ilvA | leuB | azo0500 | azo1041 | Probable threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | 3-isopropylmalate dehydrogenase; Catalyzes the oxidation of 3-carboxy-2-hydroxy-4- methylpentanoate (3-isopropylmalate) to 3-carboxy-4-methyl-2- oxopentanoate. The product decarboxylates to 4-methyl-2 oxopentanoate. | 0.939 |
| ilvA | maeB1 | azo0500 | azo0821 | Probable threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | Probable malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) (EC 1.1.1.40) (NADP-ME). Homology to dme of S. meliloti of 60% (sprot|MAO1_RHIME). Required for symbiotic nitrogen fixation. Plays a key role in the conversion of malate to acetyl-CoA for efficient tricarboxylic acid cycle function in nitrogen-fixating bacteria. Tigrfam: pta: phosphotransacetylase Pfam: Malic enzyme; Phosphate acetyl/butaryltransferase no signal peptide no TMHs; High confidence in function and specificity. | 0.455 |
| ilvA | yeaU | azo0500 | azo3860 | Probable threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | Tartrate dehydrogenase catalyzes the reduction of tartrate to oxaloglycolate. Similar to sprot|TTUC_ECOLI (75%) and to sprot|TTUC_PSEPU (76%). Pfam (PF00180): Isocitrate and isopropylmalate dehydrogenases; High confidence in function and specificity. | 0.594 |
| ilvC | ilvA | azo3156 | azo0500 | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | Probable threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | 0.769 |
| ilvC | ilvD | azo3156 | azo0632 | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | Dihydroxy-acid dehydratase catalyzes the fourth step in the biosynthesis of isoleucine and valine, the dehydratation of 2,3-dihydroxy-isovaleic acid into alpha-ketoisovaleric acid. Similar to sprot|ILVD_PSEAE (74%) and sprot|ILVD_ECOL6 (72%). TIGRfam (TIGR00110): Dihydroxy-acid dehydratase Pfam (PF00920): Dihydroxy-acid and 6-phosphogluconate dehydratase; High confidence in function and specificity; Belongs to the IlvD/Edd family. | 0.997 |
| ilvC | ilvH | azo3156 | azo3155 | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | Acetolactate synthase small subunit (AHAS) (Acetohydroxy-acid synthase small subunit) (ALS). InterPro: Acetolactate synthase small subunit TIGRFAM: acolac_sm: acetolactate synthase small subunit; High confidence in function and specificity. | 0.999 |
| ilvC | ilvI | azo3156 | azo3154 | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | Acetolactate synthase isozyme III large subunit (AHAS- III) (Acetohydroxy-acid synthase III large subunit) (ALS-III). InterPro: Acetolactate synthase large subunit biosynthetic type TIGRFAM: acolac_lg: acetolactate synthase large subunit, biosynthetic type; High confidence in function and specificity. | 0.997 |
| ilvC | ilvN | azo3156 | azo1035 | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | Acetolactate synthase isozyme I small subunit (EC 2.2.1.6) (AHAS-I) (Acetohydroxy-acid synthase I small subunit) (ALS-I). InterPro: Acetolactate synthase small subunit acolac_sm: acetolactate synthase small subunit; High confidence in function and specificity. | 0.986 |
| ilvC | leuA1 | azo3156 | azo3162 | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | 2-isopropylmalate synthase; Catalyzes the condensation of the acetyl group of acetyl-CoA with 3-methyl-2-oxobutanoate (2-oxoisovalerate) to form 3-carboxy-3- hydroxy-4-methylpentanoate (2-isopropylmalate); Belongs to the alpha-IPM synthase/homocitrate synthase family. LeuA type 1 subfamily. | 0.839 |
| ilvC | leuA2 | azo3156 | azo3523 | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | 2-isopropylmalate synthase; Catalyzes the condensation of the acetyl group of acetyl-CoA with 3-methyl-2-oxobutanoate (2-oxoisovalerate) to form 3-carboxy-3- hydroxy-4-methylpentanoate (2-isopropylmalate); Belongs to the alpha-IPM synthase/homocitrate synthase family. LeuA type 2 subfamily. | 0.750 |
| ilvC | leuB | azo3156 | azo1041 | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | 3-isopropylmalate dehydrogenase; Catalyzes the oxidation of 3-carboxy-2-hydroxy-4- methylpentanoate (3-isopropylmalate) to 3-carboxy-4-methyl-2- oxopentanoate. The product decarboxylates to 4-methyl-2 oxopentanoate. | 0.944 |
| ilvC | maeB1 | azo3156 | azo0821 | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | Probable malate dehydrogenase (oxaloacetate-decarboxylating) (NADP+) (EC 1.1.1.40) (NADP-ME). Homology to dme of S. meliloti of 60% (sprot|MAO1_RHIME). Required for symbiotic nitrogen fixation. Plays a key role in the conversion of malate to acetyl-CoA for efficient tricarboxylic acid cycle function in nitrogen-fixating bacteria. Tigrfam: pta: phosphotransacetylase Pfam: Malic enzyme; Phosphate acetyl/butaryltransferase no signal peptide no TMHs; High confidence in function and specificity. | 0.471 |
| ilvC | yeaU | azo3156 | azo3860 | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | Tartrate dehydrogenase catalyzes the reduction of tartrate to oxaloglycolate. Similar to sprot|TTUC_ECOLI (75%) and to sprot|TTUC_PSEPU (76%). Pfam (PF00180): Isocitrate and isopropylmalate dehydrogenases; High confidence in function and specificity. | 0.891 |
| ilvD | ilvA | azo0632 | azo0500 | Dihydroxy-acid dehydratase catalyzes the fourth step in the biosynthesis of isoleucine and valine, the dehydratation of 2,3-dihydroxy-isovaleic acid into alpha-ketoisovaleric acid. Similar to sprot|ILVD_PSEAE (74%) and sprot|ILVD_ECOL6 (72%). TIGRfam (TIGR00110): Dihydroxy-acid dehydratase Pfam (PF00920): Dihydroxy-acid and 6-phosphogluconate dehydratase; High confidence in function and specificity; Belongs to the IlvD/Edd family. | Probable threonine dehydratase; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | 0.912 |
| ilvD | ilvC | azo0632 | azo3156 | Dihydroxy-acid dehydratase catalyzes the fourth step in the biosynthesis of isoleucine and valine, the dehydratation of 2,3-dihydroxy-isovaleic acid into alpha-ketoisovaleric acid. Similar to sprot|ILVD_PSEAE (74%) and sprot|ILVD_ECOL6 (72%). TIGRfam (TIGR00110): Dihydroxy-acid dehydratase Pfam (PF00920): Dihydroxy-acid and 6-phosphogluconate dehydratase; High confidence in function and specificity; Belongs to the IlvD/Edd family. | IlvC protein; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. | 0.997 |